Table 4 Validity estimates (95% confidence intervals) for the cardiovascular mortality algorithm, overall and by site
Measure | All Sites | Canadian Sites | CPRD | |||||
|---|---|---|---|---|---|---|---|---|
All Canadian Sites | AB | BC | MB | ON | QC | |||
Sensitivity | 64.8 (63.6, 66.0) | 63.3 (62.1, 64.5) | 83.1 (78.9, 86.6) | 64.3 (60.6, 67.7) | 54.8 (49.9, 59.6) | 63.4 (61.6, 65.2) | 60.4 (58.1, 62.7) | 87.3 (83.6, 90.3) |
Specificity | 74.9 (74.1, 75.6) | 76.3 (75.6, 77.0) | 67.5 (64.0, 70.8) | 66.9 (65.0, 68.6) | 75.6 (70.8, 80.0) | 77.2 (76.0, 78.4) | 82.4 (81.5, 83.7) | 53.2 (49.8, 56.5) |
PPV | 54.5 (53.7, 55.3) | 55.4 (54.5, 56.3) | 57.0 (52.7, 61.1) | 34.0 (31.4, 36.5) | 72.8 (67.5, 77.5) | 61.6 (60.2, 63.0) | 57.6 (55.6, 60.2) | 46.6 (43.0, 50.2) |
NPV | 82.1 (81.6, 82.6) | 81.7 (81.2, 82.3) | 88.5 (85.5, 90.9) | 87.6 (86.1, 89.0) | 58.4 (53.7, 63.0) | 78.6 (77.7, 79.4) | 84.0 (82.9, 85.1) | 89.9 (86.9, 92.3) |